package com.redteam.servlets;

import com.redteam.data.beans.MaintenanceEngineer;
import com.redteam.data.beans.MaintenanceMemo;
import com.redteam.models.DAOAccessor;
import java.io.IOException;
import java.util.List;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

/**
 * Servlet to view the maintenance memos for a particular <code>MaintenanceEngineer</code>
 *
 * @author Steven Lawton
 */
public class ViewMemos extends HttpServlet {

    /**
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {

        response.setContentType("text/html;charset=UTF-8");
        HttpSession session = request.getSession();
        DAOAccessor accessor = new DAOAccessor();

        MaintenanceEngineer me = (MaintenanceEngineer) session.getAttribute("user");
        long myId = me.getId();

        List<MaintenanceMemo> memos = accessor.getMaintenanceMemoForEngineer( myId );
        ServletContext context = getServletContext();
        RequestDispatcher dispatch = context.getRequestDispatcher("/jsp/viewmemos.jsp");
        request.setAttribute("memos", memos);
        dispatch.forward(request, response);
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
